limestone fern vs Pallid Pygmy Jerboa

Gymnocarpium robertianum compared with Salpingotus pallidus

Key Differences

• limestone fern is Critically Endangered while Pallid Pygmy Jerboa is Data Deficient.

Taxonomic Classification

Rank	limestone fern	Pallid Pygmy Jerboa
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Tracheophyta	Chordata (Chordates)
Class	Polypodiopsida (Polypodiopsida)	Mammalia (Mammals)
Order	Polypodiales (Polypodiales)	Rodentia (Rodents)
Family	Cystopteridaceae	Dipodidae
Genus	Gymnocarpium	Salpingotus
Species	Gymnocarpium robertianum	Salpingotus pallidus

Conservation Status

limestone fern

CR — Critically Endangered

Pallid Pygmy Jerboa

DD — Data Deficient

Physical Characteristics

Attribute	limestone fern	Pallid Pygmy Jerboa
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

limestone fern

Habitat

Typically found in moist, shaded forest floors and tropical canopies.

Range

Distributed across Belgium, Canada, Norway, and Sweden. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Pallid Pygmy Jerboa

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.